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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Comput Biol Med. 2011 Oct 4;41(12):1142–1155. doi: 10.1016/j.compbiomed.2011.09.004

Table 1.

Correlation matrix of the seven regions estimated with data from 14 control subjects.

To
From 		vACC vSTR HPC MPFC DLPFC DMPFC PCC
vACC 1 0.094 -0.044 0.035 -0.006 0.058 -0.039
vSTR 0.094 1 0.0498 -0.166 0.009 -0.050 -0.207
HPC -0.044 0.0498 1 -0.034 0.337 0.194 0.202
MPFC 0.035 -0.166 -0.034 1 0.008 -0.046 -0.002
DLPFC -0.006 0.009 0.337 0.008 1 0.607 0.253
DMPFC 0.058 -0.050 0.194 -0.046 0.607 1 0.135
PCC -0.039 -0.207 0.202 -0.002 0.135 0 1

The instantaneous path coefficients estimated by path analysis with 1dSEM are: vACC → vSTR: 0.094; vSTR → HPC: 0.0498; PCC → DLPFC: 0.2535; vACC → PCC: -0.0195; vSTR → PCC: -0.2055. Model specification was based on a one-TR lagged network identified from a VAR(1) model (Fig. 5). The SEM analysis failed to validate the model as an instantaneous network. Although 1dSEMr shows two significant paths (p < 0.05, uncorrected), PCC → DLPFC and vSTR → PCC, the significance is not reliable when correlation coefficients are provided as input in path analysis (see details in the Discussion section).

None declared.